FeaturesHow It WorksFor ParentsPricingContactLog inStart free — no credit card needed →

Chemistry · Unit 2 · Intermolecular forces and gases · Intermolecular forces

Determine the polarity of molecules using molecular shape, understanding of symmetry, and comparison of the electronegativity of elements.

Practise this objective

AI-marked practice questions tied to QCAA mark schemes for this exact LO. Free to start.

Start free practice

Practice questions for this objective

Full questions, answers and worked solutions unlock when you start a free practice session.

Question 1

Determine which of the following molecules is non-polar despite containing polar bonds.

Worked answer
🔒 Start free to see full answer
Question 2

Determine which molecule is nonpolar despite having polar bonds.

Worked answer
🔒 Start free to see full answer
Question 3

Determine whether the molecule boron trifluoride (BF₃) is polar or nonpolar. Support your answer by identifying the molecular shape and explaining how electronegativity differences and symmetry combine to give this polarity.

Worked answer
🔒 Start free to see full answer
Unlock all 3 answers — free

More in Intermolecular forces

← Previous
Boyle’s law or the molar volume of a gas
Next →
Explain how variations in the strength of the interactions between atoms, molecules or ions in the mobile and stationary phases can be used to separate components.
All LOs in Intermolecular forcesBack to full Chemistry syllabus